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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.calcite.sql;
import org.apache.calcite.sql.parser.SqlParserPos;
import org.apache.calcite.sql.type.SqlTypeName;
import org.apache.calcite.util.TimeString;
import java.util.Objects;
import static com.google.common.base.Preconditions.checkArgument;
/**
* A SQL literal representing a TIME value, for example <code>TIME
* '14:33:44.567'</code>.
*
* <p>Create values using {@link SqlLiteral#createTime}.
*/
public class SqlTimeLiteral extends SqlAbstractDateTimeLiteral {
//~ Constructors -----------------------------------------------------------
SqlTimeLiteral(TimeString t, int precision, boolean hasTimeZone,
SqlParserPos pos) {
super(t, hasTimeZone, SqlTypeName.TIME, precision, pos);
checkArgument(this.precision >= 0);
}
//~ Methods ----------------------------------------------------------------
/** Converts this literal to a {@link TimeString}. */
protected TimeString getTime() {
return (TimeString) Objects.requireNonNull(value, "value");
}
@Override public SqlTimeLiteral clone(SqlParserPos pos) {
return new SqlTimeLiteral(getTime(), precision, hasTimeZone, pos);
}
@Override public String toString() {
return "TIME '" + toFormattedString() + "'";
}
/**
* Returns e.g. '03:05:67.456'.
*/
@Override public String toFormattedString() {
return getTime().toString(precision);
}
@Override public void unparse(
SqlWriter writer,
int leftPrec,
int rightPrec) {
writer.getDialect().unparseDateTimeLiteral(writer, this, leftPrec, rightPrec);
}
}